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complex number

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  1. In mathematics, the complex numbers are an extension of the real numbers obtained by adjoining an imaginary unit, denoted i, which satisfies

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on November 28, 2008
  2. Every complex number can be written in the form a + bi, where a and b are real numbers called the real part and the imaginary part of the complex number, respectively

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on November 28, 2008
  3. Complex numbers are a field, and thus have addition, subtraction, multiplication, and division operations

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on November 28, 2008
  4. These operations extend the corresponding operations on real numbers, although with a number of additional elegant and useful properties, e.g., negative real numbers can be obtained by squaring complex (imaginary) numbers

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on November 28, 2008
  5. Complex numbers were first discovered by the Italian mathematician Girolamo Cardano, who called them "fictitious", during his attempts to find solutions to cubic equations

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on November 28, 2008
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